A Gladiolus Flower. Gladiolus is an easy-to-grow flower noted for its tall flower spikes. Most are hardy to USDA Zone 7 although the nanus species is a hardy gladiolus that overwinters to Zone 5.
Gladiolus like well-drained sandy loam soil. Department of Agriculture hardiness zones 7 through 10. Cutting vasing and caring for the stems the right way will ensure that your bouquet stays fresh-looking for much longer.
How to Cut Gladiolus.
Aug 04 2020 Gladioli are summer-blooming corm plants. The gladiolus or gladiola typically is grown in US. The flower stems can grow 2 to 4 feet tall while they are only 1 foot wide. In zones 6 to 7 they thrive if the bulbs are protected by a thick mulch throughout the winter.